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    <markdown>
        ### Notes:
        This Directive uses inherited scope. This is done so that your node template can have access to your controller scope.
        So you can call your controller methods from within your node template.

        ### Globally configurable options can also be configured at app initialization:
        angular.module('myApp').config(['$adConfigProvider', function ($adConfigProvider) {
            $adConfigProvider.iconClasses.expand = 'glyphicon glyphicon-plus';
            $adConfigProvider.iconClasses.collapse = 'glyphicon glyphicon-minus';
            $adConfigProvider.iconClasses.loadingSpinner = 'glyphicon glyphicon-refresh ad-spin';
        }]);
    </markdown>
</div>